1I2X: 2.4 A Structure Of A-Duplex With Bulged Adenosine, Spermidin
reference: X-ray crystallographic observation of "in-line" and "adjacent" conformations in a bulged self-cleaving RNA/DNA hybrid., Tereshko V, Wallace ST, Usman N, Wincott FE, Egli M, RNA 2001 Mar;7(3):405-20. PMID: 11333021

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